OpenTechnical

OT-2026-000005966

Publication integrity record

Vacuum cup gripper, two zone face, plant vacuum fed, pulsed blow off after set down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000005966) never changes.

Identity and time

Publication numberOT-2026-000005966 · never reused
Internal UUID01a0a94a-b91b-7cbf-b128-2f22ebb980c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:21.694171Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005966
StatusPUBLIC

Content hashes

Canonical text97a316e33bc1909d17902c1480656f0f222fe92d53839d76d106a8186dd468d2
Markdown6404afe4cafc773c069f3c07d29a939f081b899a448b2a0a155a21c87d0fc792
PDF
Publication pagea03c2685d45972e90da1b8bd860652bba4cda60367f4c06873a0e6513271a082
Manifestbc501998aaf142d0b208cbdf6f34ad0c615408dc16f0552ee2b357a9b5b08eb0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturepCzVwgfVhAEgzzPjWkm1QkqrjdYqHDE+xjGkLAUNAQNDJjRZeee7RKtoDXNkxk5JGsnEpAiiv9WJRuQirBPTCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:11.719347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005966
observed a03c2685d45972e90da1b8bd860652bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.705549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005966/manifest.json
observed bc501998aaf142d0b208cbdf6f34ad0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.689127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005966/publication.md
observed 6404afe4cafc773c069f3c07d29a939f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.669716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005966/publication.txt
observed 97a316e33bc1909d17902c1480656f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.